Moonlit Swamp — a detailed Three.js swamp scene for the browser, vibe coded with Opus 5.5
Reported by the author — we did not run this. What that means
Output
The prompt
Runs
What this is, and what it proves
A browser-based swamp experience rendered with Three.js, vibe coded in Opus 5.5 with heavy steering rather than a one-shot prompt. It is an improved version of an earlier moonlit swamp that went viral and was featured by OpenAI on Threads and TikTok. The scene includes water wake, lighting, and a crane gliding over the water, and was inspired by attempting to recreate the swamp experience of GTA 6 before becoming a quieter swamp.
"Moonlit Swamp — a detailed Three.js swamp scene for the browser, vibe coded with Opus 5.5" is one prompt run by 1 model: opus 5.5. 1 of 1 finished, on figures reported by the author.
- Models
- 1
- Completed
- 1 of 1
- Cheapest completed run
- not measured
Figures reported by Chetan Ankola. Not independently verified.
Reported, not measured
Added automatically from the author's post on 2026-10-03. Model as declared by the author: "this was vibe coded entirely in opus 5.5 - no one shot prompt - lot of steering..". The author did not publish the full prompt, so none is shown. No cost, duration or token figure is recorded: nothing on this page is measured. The clip is the first eight seconds of the author's video.